The Green Key certification recognizes the efforts made by Astir Odysseus Kos Resort & Spa to meet the strict criteria stipulated by the Foundation for Environmental Education (FEE), for example energy efficient lighting, custom programs to deactivate heating, ventilation and air conditioning while spaces are not in use, and other improvements all throughout the resort.

Green Key Global is a leading environmental certification body offering a suite of programs and resources designed specifically for the lodging industry. The Green Key Meetings Program ranks and certifies hotels and resorts based on their commitment to sustainable “green” meeting and conference operations. Developed by Green Key Global and MPI Foundation Canada, the Meetings program delivers relevant green meeting practices by providing specific green requirements that meeting planners expect from hotels. This partnership is a long term commitment to supporting the principles of people, planet and profit. In the United States, delivery of Green Key programs is a joint venture between the Hotel Association of Canada and LRA Worldwide, Inc.